Broadband in Lisburn and Castlereagh
97% of homes in Lisburn and Castlereagh can get full fibre, 1 points above the Northern Ireland figure of 96%. That ranks 3rd of 11 councils in Northern Ireland and 8th of 361 across the UK.
What homes in Lisburn and Castlereagh can get
- Gigabit1,000Mbps or faster98%
- Full fibreFibre all the way to the home97%
- Ultrafast300Mbps or faster98%
- Fast100Mbps or faster98%
- Superfast30Mbps or faster100%
- No decent serviceUnder 10Mbps from fixed lines or wireless0%
67,906
homes and businesses in Ofcom's data
64%
of premises that can get full fibre have signed up to it
0
premises can't get decent broadband (10Mbps) from a fixed line or wireless network
Council figures are Ofcom's own totals for Lisburn and Castlereagh (January 2026). Coverage figures are for homes; the premises counts include businesses. About our data.